458 



DESCRIPTIONS OF OXYURI. 



transversus, brevissimus : mesothoracis scutum longitudine vix 

 latius ; parapsidum suturas sat bene determinataj ; seutellum 

 brevi-obconicum : metathorax transversus, brevis : petiolus bre- 

 vissimus : abdomen basi ad apicem latescens, Iseve, fere planum ; 

 segmentum 2"'". dorsum fere totum occupans : pedes simplices, 

 subtequales : alse angustse ; nervus cubitalis longus rectus in alae 

 discum declivis, radialis alae apicem fere attingens. 



Sp. 3. Tel. Vibius. Fern. Ater, antennce nigree, pedes nigri, 

 . tarsi fusci, alee fusccB. 



Ater: oculi et ocelli picei : antennae nigrae : pedes nigri; trochanteres 

 picei; genua ferruginea ; tarsi fusci: alsefuscae; squamulse picese ; | 

 nervi fusci. (Corp. long. lin. | ; alar. lin. 1.) 



Found near London. 



Mas. — Corpus angustum, sublineare, convexum, nitens, Iseve, parce 

 pubescens : caput transversum, breve, thorace vix latius : antennae 

 12-articulatae, moniliformes, corpore paullo breviores ; articulus 

 1"% gracilis, sublinearis ; 2°\ longicyathiformis ; 3"^ 4"\ et 5"% 

 mediocres, sublineares ; 6"^ et sequentes ad 11"™. parvi, subro- 

 tundi ; 12"\ ovatus, acuminatus, 11°. multo longior: thorax 

 longiovatus : prothorax transversus, brevis : mesothoracis scutum 

 latitudine multo longius ; parapsidum suturee vix conspicuae ; 

 seutellum obconicum : metathorax transversus, brevis : petiolus 

 brevis : abdomen ovatum, fere planum, thorace multo brevius ; 

 segmentum 2"". ejus plus dimidium occupans : pedes simplices, 

 subsequales : alae angustae. 



Fern. — Antennae ll-articulatse, clavatae, corpore breviores; articulus 

 2"^ longus, basi ad apicem latescens ; 3"% et 4"^ mediocres, sub- 

 lineares ; 5"\ et sequentes subrotundi, usque ad 10"'". latescentes; 

 11"\ breviconicus, 10°. paullo longior: abdomen Ipngiovatum, 

 acuminatum, thorace brevius. 



Sp. 4. Tel. Mentes. Mas et Fem. Ater, antennce fuscce aut 

 picece^ pedes picei flam-cincti, alee sziblimpida^ aut stibfuscce. 



Mas. — Ater : oculi et ocelli picei : antennae fuscse ; articulus V\ 

 piceus ; 2"% fulvus : pedes picei ; coxae nigrae ; genua flava ; 

 tibiae apice flavae ; tarsi flavi, apice fulvi : alae sublimpidae ; 

 squamulae piceae ; nervi fulvi. 



Fem. — Antennae piceae : alse subfuscse. (Corp. long. lin. ? ; alar. 

 lin. |.) 



Found near London. 



